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Jlolospira vilnima v. Mar- ^ 



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The subspecies of Pyvd- 



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4166 



Folydi/ra thyroides sanct'i- 



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A new Colombian Pleiir- 



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A new Colombian Clansilia 



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4170 

 Land mollusks of the North- 

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' The anatomy of the sub- 

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The nomenclature of 



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Piorkowski, [Max] und Jess. Bac- 

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Origine et vitalite des 



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Planet, L. Essai monographique sur 

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